blob: 5b3deee93f6daa271238060918439f7b49fcaf48 [file] [log] [blame]
// Copyright 2016 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#include "core/fpdfdoc/cpdf_iconfit.h"
#include "core/fpdfapi/parser/cpdf_array.h"
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fxcrt/fx_string.h"
CPDF_IconFit::CPDF_IconFit(const CPDF_Dictionary* pDict) : m_pDict(pDict) {}
CPDF_IconFit::CPDF_IconFit(const CPDF_IconFit& that) = default;
CPDF_IconFit::~CPDF_IconFit() {}
CPDF_IconFit::ScaleMethod CPDF_IconFit::GetScaleMethod() {
if (!m_pDict)
return Always;
ByteString csSW = m_pDict->GetStringFor("SW", "A");
if (csSW == "B")
return Bigger;
if (csSW == "S")
return Smaller;
if (csSW == "N")
return Never;
return Always;
}
bool CPDF_IconFit::IsProportionalScale() {
return m_pDict ? m_pDict->GetStringFor("S", "P") != "A" : true;
}
void CPDF_IconFit::GetIconPosition(float& fLeft, float& fBottom) {
fLeft = fBottom = 0.5;
if (!m_pDict)
return;
const CPDF_Array* pA = m_pDict->GetArrayFor("A");
if (pA) {
uint32_t dwCount = pA->GetCount();
if (dwCount > 0)
fLeft = pA->GetNumberAt(0);
if (dwCount > 1)
fBottom = pA->GetNumberAt(1);
}
}
bool CPDF_IconFit::GetFittingBounds() {
return m_pDict ? m_pDict->GetBooleanFor("FB") : false;
}